laboratfjoy which I accepted. At that time they had just finished the j Radiological Laboratory building which was to house the synchrotron, a 70 MeV machine. I was to determine the radiobiological effectiveness (RBE) of its x-ray beam. That's about all#f I can say about that. I hope your other interviewees talk more than I do. BERGE: Some do some don't. Can you describe, did you only work & Dy, pt]Padradio-biclog feetcre Be m KOHN: RRE e No, I had an X-ray machine at my disposal, and I, therefore, did a variety of experiments with the X-ray beam on ratsDut especially on mice, Oud wutngor gamut BERGE: What was the advantage of mice over rats? KOHN: They're smaller. You could have more ohn in i the laboratory. BERGE: And what happened after you were there for a couple of years and then wet left? KOHN: 1947, Well I was there from, G let's see,I went to Oak Ridge in That's all on that s@@™fet there, and then I stayed at the Radiological Laboratory in San Francisco from 1949 to about 1962 or 1963. weapy We did a variety of experiments, pene A I did some work